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<title>Qt Mobility 1.2: QML NdefFilter Element</title>
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<a href="index.html" class="qtref"><span>QtMobility Reference Documentation</span></a>
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<li><a href="http://qt.nokia.com/doc/4.7/qdeclarativeelements.html">QML Elements</a></li>
<li>QML NdefFilter Element</li>
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<h3><a name="toc">Contents</a></h3>
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<li class="level1"><a href="#properties">Properties</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">QML NdefFilter Element</h1>
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<p>The NdefFilter element represents a filtering constraint for NDEF message records. <a href="#details">More...</a></p>
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<p>This element was introduced in Mobility 1.2.</p>
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<li><a href="qml-ndeffilter-members.html">List of all members, including inherited members</a></li>
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<h2>Properties</h2>
<ul>
<li class="fn"><b><b><a href="qml-ndeffilter.html#maximum-prop">maximum</a></b></b> : int</li>
<li class="fn"><b><b><a href="qml-ndeffilter.html#minimum-prop">minimum</a></b></b> : int</li>
<li class="fn"><b><b><a href="qml-ndeffilter.html#type-prop">type</a></b></b> : string</li>
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<h2>Detailed Description</h2>
<p>The NdefFilter element is part of the <b>QtMobility.connectivity 1.2</b> module.</p>
<p>The NdefFilter element is used with the <a href="qml-nearfield.html">NearField</a> element to read NDEF messages from NFC Forum tags that match a given structure.</p>
<pre class="cpp"> NearField {
filter: <span class="operator">[</span>
NdefFilter {
type: <span class="string">"urn:nfc:wkt:U"</span>
minimum: <span class="number">1</span>
maximum: <span class="number">1</span>
}
<span class="operator">]</span>
}</pre>
<p><b>See also </b><a href="qml-nearfield.html">NearField</a> and <a href="qndeffilter.html">QNdefFilter</a>.</p>
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<h2>Property Documentation</h2>
<!-- $$$maximum -->
<div class="qmlitem"><div class="qmlproto"><table class="qmlname"><tr valign="top" class="odd"><td class="tblQmlPropNode"><p><a name="maximum-prop"></a><span class="name">maximum</span> : <span class="type"><a href="http://qt.nokia.com/doc/4.7/qml-int.html">int</a></span></p></td></tr></table></div><div class="qmldoc"><p>This property holds the maximum number of records of the given type that must be in the NDEF message for it match.</p>
<p>To match any number of records set both the minimum and maximum properties to -1.</p>
<p>This property group was introduced in Mobility 1.2.</p>
<p><b>See also </b><a href="qml-ndeffilter.html#minimum-prop">minimum</a>.</p>
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<br/>
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<div class="qmlitem"><div class="qmlproto"><table class="qmlname"><tr valign="top" class="odd"><td class="tblQmlPropNode"><p><a name="minimum-prop"></a><span class="name">minimum</span> : <span class="type"><a href="http://qt.nokia.com/doc/4.7/qml-int.html">int</a></span></p></td></tr></table></div><div class="qmldoc"><p>This property holds the minimum number of records of the given type that must be in the NDEF message for it match.</p>
<p>To match any number of records set both the minimum and maximum properties to -1.</p>
<p>This property group was introduced in Mobility 1.2.</p>
<p><b>See also </b><a href="qml-ndeffilter.html#maximum-prop">maximum</a>.</p>
</div></div><!-- @@@minimum -->
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<div class="qmlitem"><div class="qmlproto"><table class="qmlname"><tr valign="top" class="odd"><td class="tblQmlPropNode"><p><a name="type-prop"></a><span class="name">type</span> : <span class="type"><a href="http://qt.nokia.com/doc/4.7/qml-string.html">string</a></span></p></td></tr></table></div><div class="qmldoc"><p>This property holds the NDEF record type that the filter matches. This property must be set to the fully qualified record type, i.e. including the NIS and NSS prefixes. For example set to <i>urn:nfc:wkt:U</i> to match NFC RTD-URI records.</p>
<p>This property group was introduced in Mobility 1.2.</p>
</div></div><!-- @@@type -->
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